Canister contents indicator



FIG. 1 is a front view of a canister contents indicator showing my new design;

FIG. 2 is a back elevational view thereof;

FIG. 3 is a top elevational view thereof;

FIG. 4 is a bottom elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is an isometric view of the device. 

The ornamental design for canister contents indicator, as shown and described. 